diff --git a/Dockerfile b/Dockerfile
index fc83d21..c92da2a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ COPY web/ ./
 RUN npm run build
 
 # stage 2: go build
-FROM golang:1.25.10-alpine AS build
+FROM golang:1.26.3-alpine AS build
 WORKDIR /src
 COPY go.mod go.sum* ./
 RUN go mod download